303 



Perithecia scattered, covered by the epidermis which is white in 

 the center and finally rimosely ruptured, subprominent, epiphyllous, 

 globose or globose-conoid, | mm. diam. Asci cylindrical, rounded 

 above, attenuated below into a narrow stipe-like base, 80 x 12 ju, 

 8-spored. Sporidia biseriate, boat-shaped, rounded at the ends, 14 x 

 5 ju, hyaline. 



On fallen leaves of Ilex opaca, So. Carolina and New Jersey. 



P. philoprina, (B. & C.) 



Sphcsria philoprina, B. St C. Grev. IV, p. 154. 

 Lcs stadia philoprina, Cke. Syn. 5283. 

 Physalospora philoprina, Sacc. Syll. 1685. 



Perithecia shining-black, white in the center from the cuticle. 

 Asci oblong. Sporidia biseriate, hyaline, eymbseform. 

 On leaves of Ilex, North Corolina. 

 Doubtfully distinct from the preceding species. 



P. rhodina, B. & C. in Curt. Cat. p. 148, Grev. XVII, p. 92. 



Perithecia gregarious, covered, subglobose, very small, black, 

 with erumpent ostiola. Asci clavate, 8-spored. Sporidia sublanceo- 

 late, continuous, hyaline, 30-35 x 10 [i. 



On branches of Rosa rubiginosa, Carolina. 



P. Geranii, Cke. & Hark. Grev. XIV, p. 9. 



Perithecia densely gregarious, convex, black, covered by the 

 epidermis, at length erumpent. Asci clavate, ample, 8-spored. Spo- 

 ridia biseriate, elliptical, continuous, granular, hyaline, 25-28 x 10 //. 



On stems of Geranium, California. 



P. gelsemiata, (Cke.) 



Sphcsria gelsemiata, Cke. Grev. VI, p. 145. 

 Physalospora, gelsemiata, Cke. Syn. 4092, Sacc. Syll. 1680. 



Covered, scattered or subgregarious. Perithecia subglobose, sub- 

 prominent. Ostiola papillate. Asci clavate. Sporidia short-lanceo- 

 late, hyaline, 30-35 x 10-12 ju. 



On twigs of Gelsemium, Aiken, So. Carolina. 



P. minutella, (Pk.) 



Sphcsria minutella, Pk, 29th Rep. p. 62. 

 Physalospora minutella, Sacc. Syll. 1686. 

 Phomatospora minutella, Cke. Syn. 4347. 



Perithecia minute, somewhat flattened, black, the upper part at 

 length breaking away and leaving the base attached to the matrix. 



